Sony SRS-BTM30 Service Manual ▷ View online
9
SRS-BTM30
4
four tapping screws
(+BV B3)
(+BV B3)
5
four tapping screws
(+BV B3)
(+BV B3)
6
speaker sub assy
red cable
red cable
black cable
black cable
7
speaker sub assy
8
front cabinet sub assy
3
four packing
sheets (w)
sheets (w)
1
two notches
2
two notches
1
two tapping screws
(+P 2.6
(+P 2.6
×
8)
7
rear cabinet sub assy
5
two tapping screws
(+P 2.6
(+P 2.6
×
8)
6
JACK board
4
battery case assy
red cable
black cable
2
two screws
(+PTPWH 2
(+PTPWH 2
×
5)
3
connector (CN902)
2-5. SPEAKER SUB ASSY
2-6. REAR CABINET SUB ASSY
10
SRS-BTM30
SECTION 3
DIAGRAMS
Note on Printed Wiring Boards.
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
• These boards are multi-layer printed board. However, the paterns
of intermediate-layer have not been included in the diagram.
Note on Schematic Diagrams.
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF) 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
f
: internal tolerance.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 5.2 V and fed with regulated dc power supply
from terminal (J902).
• Voltages and waveforms are dc with respect to ground under no-
signal (detuned) conditions.
no mark : POWER ON (Set DC IN 5.2V)
(
no mark : POWER ON (Set DC IN 5.2V)
(
) : PAIRING MODE
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
11
11
SRS-BTM30
SRS-BTM30
3-1. BLOCK DIAGRAM
• SIGNAL PATH
: AUDIO
IC102
BUFFER
SPK301
SPEAKER
L
D602,603
FILTER
Q201
Q202
S503
S502
S504
INPUT
J901
J902
4
2
IC803
RESET
5V
4
5
IC802
3.3V REG
3.3V
VREF
2
3
1
6
5
13
11
IC202
AUDIO AMP
IC101
EVR
9
12
10
8
7
5
6
5
3
1 IN+
5
7
VO+
VO-
12
LOUT
ROUT
6
11
LIN
RIN
5
VREF
6
IC703
LR MIX AMP
7
IC701
AUDIO
DETECT
IC201,Q203
EQ
IC301
POWER AMP
IC702
SWITCH
EQ
ON/OFF
R-CH
R-CH
7
1
MLEN
14
MCK
15
MDT
16
5
6
BT BOARD
Q602-605
BEEP GEN
FILTER
R-CH
R-CH
D201
Q301
MUTE
ID SET
+
-
VOLUME
1
(POWER)
DC IN 5.2V
1
2
IC801
LOW
VOLTAGE
DET
Q801,802
SWITCH
SRS_PWR
Q803,804
SWITCH
Q805,806
BUFFER
4
SHUTDOWN
1
5
7
IC311
POWER AMP
4
SPK401
SPEAKER
R
Q807
R-CH
R-CH
Q601
LED DRIVER
R-CH
DRY BATTERY
SIZE "AA"
R6 3PCS, 4.5V
IN+
VO+
VO-
SHUTDOWN
12
12
SRS-BTM30
SRS-BTM30
3-2. PRINTED WIRING BOARD – AMP BOARD (SIDE A) –
:Uses unleaded solder.
JACK BOARD
CN901
(Page 16)
A
SPEAKER
SUB ASSY
L-CH
SPEAKER
SUB ASSY
R-CH
BT BOARD
IC701
IC301
IC311
IC202
IC803
IC201
IC102
IC501
IC411
IC401
1
2
3
4
5
6
7 8
6
7 8
9
1
1
2
3
3
4
4
5
5
1
3
4
5
6
7 8
7 8
9
1
2
3 4 5
2
3 4 5
6
7
8
9
9
1
2
3 4 5
2
3 4 5
6
7
8
9
9
1
3
4
6
1
3
4
6
1
2
A
B
C
D
E
F
G
H
3
4
5
6
7
8
9
10
11
12
13
1
2
3
4
1
2
3
4
1
2 3
4
D802
TP101
TP103
TP105
TP107
TP108
TP312
TP302
TP311
TP301
TP113
TP114
TP402
TP401
TP411
TP412
TP116
TP121
TP803
TP802
TP122
TP123
TP805
TP804
TP115
TP124
TP117
TP118
TP119
TP120
TP809
TP811
TP812
TP810
Q601
FB106
Q803
CN401
C209
FB105
VDR311
CN801
C601
VDR312
FB313
FB314
FB311
FB312
D311
D312
C104
VDR411
VDR412
FB414
FB413
C103
FB411
FB412
D411
D412
VDR402
VDR401
FB404
FB403
FB401
FB402
D401
D402
VDR301
VDR302
FB303
FB304
C308
FB301
FB302
D301
D302
Q203
Q805
Q806
FB107
C118
C102
C101
C117
C112
C106
C109
C802
Q602
Q603
Q604
Q605
C701
C805
IC802
Q503
Q801
CN301
Q301
Q401
Q807
C509
C809
CN101
TP106
TP104
C306
C305
C309
C318
C307
C304
C303
C302
C608
C301
C312
C311
C316
C315
C124
C313
C314
C317
C135
C319
C127
C132
C128
C130
C129
C131
C801
C806
C807
C808
C501
C502
C504
C510
C508
C216
C604
C605
C606
C607
C704
C703
C401
C403
C404
C407
C406
C405
C402
C408
C419
C418
C416
C415
C414
C417
C411
C412
C413
C814
C813
C812
R301
R302
R116
R118
R119
R117
R104
R604
R605
R121
R101
R105
R106
R102
R702
R701
R311
R312
R611
R220
R219
R217
R201
R208
R202
R209
R212
R210
R218
R215
R304
R216
R227
R606
R607
R608
R609
R710
R709
R708
R411
R412
R401
R814
R812
R813
R511
R530
R811
R810
C702
R610
R402
R517
R514
R515
R518
R513
R516
R512
R509
R510
R508
R502
R501
C119
C202
C201
C208
C207
C206
R214
R213
R211
C205
R120
R115
R114
R113
R113
R519
C506
C505
C409
C507
R520
C204
C811
R815
R816
TP806
D601
TP813
TP814
TP801
1-872-963-
• Semiconductor
Location
Ref. No.
Location
D301
C-3
D302
C-3
D311
D-4
D312
E-3
D401
D-11
D402
C-11
D411
E-10
D412
D-11
D601
G-4
IC102
F-6
IC201
D-6
IC202
G-4
IC301
C-3
IC311
E-4
IC401
C-11
IC411
D-10
IC501
E-9
IC701
C-9
IC802
F-7
IC803
G-10
Q203
C-6
Q301
C-7
Q401
D-10
Q503
D-8
Q601
G-3
Q602
C-7
Q603
C-7
Q604
C-7
Q605
D-8
Q801
F-8
Q803
F-7
Q805
F-11
Q806
F-11
Q807
E-10
Ver. 1.1
Click on the first or last page to see other SRS-BTM30 service manuals if exist.